Tie-down hook



FIG. 1 is a front elevational view of a tie-down hook showing my new design;

FIG. 2 is a right side elevational view thereof, the side opposite being a mirror image;

FIG. 3 is a rear elevational view thereof;

FIGS. 4 and 5 are respectively top and bottom plan views thereof;

FIG. 6 is a front elevational view of a second embodiment thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a rear elevational view thereof; and

FIGS. 9 and 10 are respectively top and bottom views thereof. 

The ornamental design for a tie-down hook, substantially as shown and described. 